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Qinpi ( Ash Bark)---秦皮 (powder100g/bottle)

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$23.70
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Product Description

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Qinpi is the dried twig bark or dired bark of Fraxinus rhynchophylla Hance, Fraxinus chinensis Roxb., Fraxinus szaboana Lingelsh. or Fraxinus stylosa Lingelsh., pertaining to Oleaceae. The bark is peeled in spring and spring, and then sun dried. The raw form is used.

[ Medicinal Properties ]: Bitter, astringent and cold; relate to liver ,gallbladder and large intestine meridians.

[ Medicinal Efficacies ]: Clelar heat, dry dampness; stop dysentery and leucorrhea; clear liver and improve vision.

[ Usage and Dosage ]: 6-12g. Also it is used externally.

[ Precautions ]: Avoid with deficiency-cold in spleen and stomach.

[ Clinical Applications ]: 1. Damp-heat, dysentery and leucorrhea    Qinpi treats dysentery due to damp-heat, manifesting as tenesmus, combined with Baitouwen, Huanglian and Huangbo; for example in Baitouweng Decoction. Also it treats leucorrhea due to down-pour of damp-heat, combined with Mudanpi and Danggui.

2. Liver heat, reddish eyes and blurred vision    For fire accumulation in liver meridians, manifesting as reddish eyes and blurred vision, it is used by itself as decoction for eye washing. It treats wind-heat in liver meridians, manifesting as blurred vision, combined with Qinjiao and Fangfeng.

秦皮 为木犀科植物苦枥白蜡树Fraxinus rhynchophylla Hance、白蜡树F. chinensis Roxb.、尖叶白蜡树F. szaboana Lingelsh.或宿柱白蜡树F. stylosa Lingelsh.的干燥枝皮干皮。产于吉林、辽宁、河南等地。春、秋二季剥取,晒干。生用。

【药性】苦、涩,寒。归肝、胆、大肠经。       
 
【功效】清热燥湿,收涩止痢,止带,明目。       
 
【应用】        1.湿热泻痢、带下。本品性苦寒而收涩,功能清热燥湿、收涩止痢、止带,故可用治湿热泻痢,里急后重,常配白头翁、黄连、黄柏等药用,如白头翁汤(《伤寒论》);若治湿热下注之带下,可配牡丹皮、当归用,如《本草汇言》方。       
 
 2.肝热目赤肿痛、目生翳膜。本品清热之中,能泻肝火、明目退翳,用治肝经郁火所致目赤肿痛、目生翳膜,可单用煎水洗眼;或配栀子、淡竹叶煎服,如秦皮汤(《外台秘要》)。若配秦艽、防风等用,可治肝经风热、目赤生翳,如秦皮汤(《眼科龙木论》)       
 
【用法用量】煎服,6—12g。外用适量,煎洗患处。        【使用注意】脾胃虚寒者忌用。       
 
【古籍摘要】        1.《神农本草经》:“除热,目中青翳白膜。”        2.《本草纲目》:“梣皮,色清气寒,味苦性涩,乃是厥阴肝、少阳胆经药也。故治目病、惊痫,取其平木也;治下痢、崩带,取其收涩也;又能治男子少精、益精有子,皆取其涩而有补也。”       
 
【现代研究】        1.化学成分:苦枥白蜡树树皮含七叶素、七叶苷等香豆精类及鞣质。白蜡树树皮含七叶素、秦皮素。尖叶白蜡树树皮含七叶素、七叶苷、秦皮苷、莨菪亭等。宿柱白蜡树树皮含七叶素、七叶苷、秦皮苷、丁香苷、宿柱白蜡苷。       
 
2.药理作用:本品煎剂对金黄色葡萄球菌、大肠杆菌、福氏痢疾杆菌、宋内氏痢疾杆菌均有抑制作用;七叶苷对金黄色葡萄球菌、卡他球菌、链球菌、奈瑟氏双球菌有抑制作用;秦皮乙素对卡他双球菌、金黄色葡萄球菌、大肠杆菌、福氏痢疾杆菌也有抑制作用;所含秦皮乙素、七叶苷及秦皮苷均有抗炎作用;秦皮乙素有镇静、镇咳、祛痰和平喘作用;秦皮苷有利尿、促进尿酸排泄等作用;七叶树苷亦有镇静、祛痰、促进尿酸排泄等作用。       
 
 3.临床研究:用秦皮煎剂治疗小儿细菌性痢疾50例,治愈率为80%(中药药理与应用,人民卫生出版社,1983)。此外,还有用本品治疗慢性气管炎、百日咳者。

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